The Relationship between Mining-Induced Stress and Coal Gas under an Optimized Support Scheme: A Case Study in the Guanyinshan Coal Mine, China

Table 12

Stress and gas parameters.

Measuring point	Stress (MPa)			Gas content (m^3·t^-1)	Gas pressure (MPa)	Gas desorption index of drill cuttings (mL·(g·min^1/2)^-1)
	Along the roadway ()	Vertical roadway ()	Along drilling ()
1	1.02	0.14	1.35	6.7244	0.12	0.45
3	0.11	0.14	0.13	5.8045	0.06	0.36
4	0.24	0.09	0.17	6.3584	0.07	0.40
5	0.06	0.25	0.12	5.2957	0.04	—